Cup holder



FIG. 1 is a top, front, and left side perspective view of a cup holder showing my new design, the fragmentary broken-line disclosure of a bar element is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side view of the cup holder of FIG. 1;

FIG. 3 is a front view of the cup holder of FIG. 1;

FIG. 4 is a side view of the cup holder of FIG. 1;

FIG. 5 is a back view of the cup holder of FIG. 1;

FIG. 6 is top view of the cup holder of FIG. 1; and,

FIG. 7 is a bottom view of the cup holder of FIG. 1. 

I claim the ornamental design for a cup holder, as shown and described. 